Home / 181,528.40-272,341.20-161,942.60

Finding the Fourth Proportional to 181,528.40, 272,341.20 and 161,942.60

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Solution

The fourth proportional to 181,528.40, 272,341.20 and 161,942.60 is: 242,957.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,528.40 : 272,341.20 = 161,942.60 : x
  2. Step 2: Convert to fraction form
    181,528.40/272,341.20 = 161,942.60/x
  3. Step 3: Cross multiply
    181,528.40x = 272,341.20 × 161,942.60
  4. Step 4: Simplify right side
    181,528.40x = 44,103,642,015.12
  5. Step 5: Solve for x
    x = 44,103,642,015.12/181,528.40
  6. Step 6: Final answer
    x = 242,957.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.